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Finding the Third Proportional to 17,568 and 23,220

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Solution

The third proportional to 17,568 and 23,220 is: 30,690.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,568 : 23,220 = 23,220 : x
  2. Step 2: Convert to fraction form
    17,568/23,220 = 23,220/x
  3. Step 3: Cross multiply
    17,568x = 23,220 × 23,220
  4. Step 4: Simplify right side
    17,568x = 539,168,400
  5. Step 5: Solve for x
    x = 539,168,400/17,568
  6. Step 6: Final answer
    x = 30,690.37

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Why These Related Problems?

These problems maintain the same ratio (1.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.